REPAIR MAINT OVERHAULING AND SERVICING OF EXTERNAL ELECTRIFICATION LT GADGETS INCL TRANSFORMER OCBS APFC PANELS ETC AT KANKINARA UNDER GE NORTH KOLKATA

Amount

Servicing / Repairing of control panel of automatic power factor correction panel 150 KVAR to 250 KVAR capacities by replacement of unserviceable / defective / burnt out wiring with appropriate and existing size copper flexible cable with all fixing arrangement, minor parts and connections for making panel serviceable including taking out old wiring complete all as specified and directed. Note : Cost of cable alongwith dressing of cables, minor parts, fixing arrangement, etc including provision of necessary cable lugs as required for wiring and make panel serviceable are deemed to be inclusive in the quoted rates.

Supply and fix 3 phase power capacitor, Capacity 1 KVAR, s heavy duty 440 Volt metalised Polypropline Dielectric, type MPPH as per existing type in the existing APFC Panel including taking down old unserviceable capacitor any type. Make : Neptune/L&T/Havell :-

All as per item No. 2 but, Capacity 2 KVAR, Make : Neptune/L&T/Havells

All as per item No. 2 but, Capacity 3 KVAR, Make : Neptune/L&T/Havells

All as per item No. 2 but Capacity 5 KVAR, Make : Neptune/L&T/Havells

All as per item No. 2 but Capacity 10 KVAR, Make : Neptune/L&T/Havells

All as per item No. 2 but Capacity 12.5 KVAR, Make : Neptune/L&T/Havells

All as per item No. 2 but Capacity 15 KVAR, Make : Neptune/L&T/Havells

All as per item No. 2 but Capacity 20 KVAR, Make : Neptune/L&T/Havells

All as per item No. 2 but Capacity 25 KVAR, Make : Neptune/L&T/Havells

All as per item No. 2 but Capacity 50 KVAR, Make : Neptune/L&T/Havells

Supply and fixing automatic power factor control relay 12 stage APFC relay with single CT input suitable for existing APFC panel including taking down old unserviceable control relay any type complete all as specified and as directed. Make : C&S /NEPTUNE/L&T/SIEMENS

Supply and fixing contactor relay type MO0AC 22E (2NO+2NC) contactor for AC control standard coil voltage 240 V, 50/60 Hz, AC-15, 4 A including taking down old unserviceable contactor any type complete all as specified and as directed. Make : L&T Cat No - CS91625/C&S/SIEMENS

Supply and fixing front mounting add-on aux. contact block suitable for MO0AC 22E (2NO+2NC) contactor for AC control standard coil voltage 240 V, 50/60 Hz, AC-15, 4 A including taking down old unserviceable contactor any type complete all as specified and as directed. Make : L&T Cat No - CS94596/ C&S/SIEMENS

Supply and fixing capacitor duty contactors - Type MO C25 suitable for capacitor 25 kVAr Rating, 440V, 3Ph, 50Hz for AC control standard coil voltage including taking down old unserviceable contactor any type complete all as specified and as directed. Make : L&T Cat No - CS96322/ C&S/SIEMENS

Supply and fixing capacitor duty contactors - Type MO C12.5 suitable for capacitor 12.5 kVAr Rating, 440V, 3Ph, 50Hz for AC control standard coil voltage including taking down old unserviceable contactor any type complete all as specified and as directed. Make : L&T Cat No - CS96321/ C&S/SIEMENS

Supply and fixing capacitor duty contactors - Type MO C5 suitable for capacitor 5 kVAr Rating, 440V, 3Ph, 50Hz for AC control standard coil voltage including taking down old unserviceable contactor any type complete all as specified and as directed. Make : L&T Cat No - CS96127/ C&S/SIEMENS

Supply and fix MCB TP 32 Amps, 240 volts, 'C' series with all incoming / outgoing connections with proper size of lugs including taking down the old unserviceable MCB complete all as specified as directed. Make - Havells/C&S/L&T/ Indoasian

Supply and Fix Panel heater for VCB HT panel including necessary fixing arrangement including taking out unserviceable one all as spedified and as directed.

Repair/maintenance and servicing of step down transformer 3.3 KV/433 Volt of capacity 200/250 KVA, comprising following work services :- (a) Disconnection carefully of cable end termination of HT & LT side. (b) Opening of top cover by removing nuts, bolts and all mounting accessories and conservator tanks. (c) Draining out transformer oil and keeping aside in barrel for re-use and then again pouring back after necessary filteration and dehydration including top up with new transformer oil to make up the reduced quantity if required (New Transformor oil for topping up will be measured and paid separately) . (d) Replacement of top and buttom Gaskets. (e) Servicing of tap changing gears by cleaning and polishing tapping contact points. (f) Cleaning of bush and stud both HT/LT side and refixing the same with new cock sheet as required. (g) Replacing unserviceable stud and bush if required as directed by Engr-in-Charge. (h) Reconnection of all cable terminals HV & LV sides and refixing the top cover after replacement of gaskets, conservator tank in position. (i) Cleaning and heating of silica gel in breather and replacing with new silica gel to make up the reduced quantity. (j) Connecting HT & LT side with existing incoming and outgoing cables including reconnection of earth strip/lead. Note: (i) Filteration and dehydration of transformer oil, New transformer oil, New bushes and stud and New silica gel required for replacement shall be measured and paid for separately. Existing Makes:-

All as per item No. 20 above but for transformer of capacity 400 KVA.

All as per item No. 20 above but for transformer of capacity 500 KVA.

Supply only bushing and stud complete with porcelain insulators for LT side (as per existing size/Model) for Transformer capacity 500 KVA . (Make:Alstom/Voltamp)

All as per item No. 23 but, Transformer capacity 400 KVA (Make: Hindustan)

All as per item No. 23 but, Transformer capacity 250 KVA (Make: Kaycee)

All as per item No. 23 but, Transformer capacity 200 KVA (Make:BE)

Supply and fixing bushing and stud complete with porcelain insulator for HT side (as per existng size/Model) forTransformer capacity 500 KVA . (Make:Alstom/Voltamp)

All as per item No. 27 but,Transformer capacity 400 KVA (Make: Hindustan)

All as per item No. 27 but,Transformer capacity 250 KVA (Make: Kaycee)

All as per item No. 27 but,Transformer capacity 200 KVA (Make:BE)

Supply and fixing transformer oil temperature gauge dial type range 0 to 100 deg C as per existing type and model all as directed. (Make:PRECIMEASURE/GURU / HPL)

Supply and fixing Silica gel in existing breather assembly all as directed.

Supply and fixing in repair to Digital Amp meter 5 A for 3 phase AC supply, CT site programmable, 5 A, Class 1, 96x96 mm size complete all as specified and directed. Make - L&T/ HPL / C&S/AE.

Supply and fixing in repair to digital voltmeter suitable for 3 phase AC supply, site programmable, 96x96mm size, Class 1 complete all as specified and directed. Make - L&T/ HPL / C&S

Supply and fixing of HT CT of ratio 300/5/5 Amps all as spedified and as directed. Make:-CG/ABB/L&T/KAPPA or as per existing make approved by GE.

Repair/servicing of HT PT epoxy type including replacing of primary and secondary winding, replacement of PT bush-03 Nos and housing bush-03 Nos all as spedified and as directed.

Supply and fixinng of tripping coil 110/30 V DC all as spedified and as directed as per sample.

Filteration and dehydration of old transformer oil and removing of sludge by continuous circulation through transformer oil filtration plant with heater strips to achieve dielectric strength of not less than 50 KV at 2.5 mm gap of electrode as per IS-1866(1985) and improvement of acidity by minimizing percentage of acidity using chemical reagents all as spedified and as directed by the Engn-in-Charge.

Supply and top up transformer oil having di-electric strength not less than 50 KV at 2.5 mm gap after initial dehydration/filteration conforming to IS 335 and ISI marked to be brought at site in sealed container all as directed by the Engr-in-Charge. Make:- Castrol / IOC/HP/ Sarvo/Savita.

Repair and servicing of 415 Volt, LT ACB of capacity 800 Amps of in existing panel including disconnecting all electric connection from main panel board , strip opening and replacing minor parts such as nuts bolts & washer etc including cleaning of all contact points with proper high quality of rust preventive spray etc reassembling the complete switch gear unit and testing all as specififed and directed. (Make:Crompton Greaves /L&T /Havell's)

All as per item No. 40 above but for 415 V, ACB of capacity 630 Amp all as directed.

Maintenance and servicing of 3.6 KV VCB of 400 Amp, 250 MVA of make OCB-ALSTOM by opening out HT cable termination joints, checking and cleaning all the spares of VCB to avoid any chances of flashing / burning due to loose connection, replacement of all bolts, nuts & washers (if found damaged due to flashing) with new one (anodised) of existing size, testing and calibration of earth fault and over load relays including rewiring of any required to cleaning of busbar and contacts complete after re-connection of all dismantled cables and again testing after re-charging the VCB complete all as specified and as directed.

Maintenance and servicing of 3.3 KV OCB of 400 Amp, 250 MVA of make VCB-CG/Kirloskar by opening out HT cable termination joints, checking and cleaning all the spares of OCB to avoid any chances of flashing / burning due to loose connection, replacement of all bolts, nuts & washers (if found damaged due to flashing) with new one (anodised) of existing size, testing and calibration of earth fault and over load relays complete after re-connection of all dismantled cables and again testing after re-charging the OCB complete all as specified and as directed.

Servicing of HT panel including replacement of burnt out lugs, scraping the bus bar chamber, cleaning the bus bar panel with CTC, remove the burnt out electrical wiring and replacement of bolt, nuts, washer and new wiring for metering eqpt, phase sequence RYB with bus bar insulation tapes, heating with blower, reconnecting, testing and commissioning. Note:- Cost of Nuts, bolts, washers, insulation tapes, wiring & other connecting items shall be included in unit rate.

Servicing of LT panel including replacement of burnt out lugs, scraping the bus bar chamber with ewary paper, cleaning the bus bar panel with CTC, remove the burnt out electrical wiring and replacement of bolt, nuts, washer and new wiring for metering eqpt, phase sequence RYB with bus bar insulation tapes, heating with blower, reconnecting, testing and commissioning. Note:- Cost of Nuts, bolts, washers, insulation tapes, wiring & other connecting items shall be included in unit rate.

Supply & laying, commissioning and testing XLPE insulated PVC sheathed armoured heavy duty electric cable with 120 sqmm 3 core aluminium conductor for working voltage upto and including 11000 volts, in duct, fixed to pole, wall/ roof and make good to disturbed surface including cable glands and aluminium thimble/ lugs of suitable size for making connection including taking down old cable complete all as specified and directed. Make:- KEI / RR kabel / Polycab / Mescab / Finolex / Universal/Havells.

Material and labour for cable jointing kit 11 kV (earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm. Make - Raychem/ 3M/ Denson

Material and labour for cable jointing kit 11 kV (earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm. Make - Raychem/ 3M/ Denson

Supply and fixing, commissioning, testing XLPE insulated PVC sheathed armoured heavy duty electric cable of size 400 Sqmm 3.5 core with aluminium conductor for working voltage upto and including 1100 volts, in duct / trenches, fixed to pole, wall/roof and make good to distrurbed surface including cable glands of required size and aluminium thimble of suitable size for making connection including taking down old cable complete all as specified and directed. Make:- KEI / RR kabel / Polycab / Mescab / Finolex / Universal/Havells.

Supply and fixing, commissioning, testing XLPE insulated PVC sheathed armoured heavy duty electric cable of size 300 Sqmm 3.5 core with aluminium conductor for working voltage upto and including 1100 volts, in duct / trenches, fixed to pole, wall/roof and make good to distrurbed surface including cable glands of required size and aluminium thimble of suitable size for making connection including taking down old cable complete all as specified and directed. Make:- KEI / RR kabel / Polycab / Mescab / Finolex / Universal/Havells.

Supply and fix in replacement of MCCB 4 Pole, 800 Amps,AC, 415Volt , rapturing capacity 50 kA with adjustable thermal setting and adjustable magnetic setting as per site including suitable size of connector and fixing materials such as thimble, nut bolts, etc of suitable size complete all as specified and directed. Make : Indoasian/ Havells/ L&T / C&S / Legrand

Supply and fix in replacement MCCB 4 Pole, 400 Amps,AC, 415Volt , rapturing capacity 36 kA with adjustable thermal setting and adjustable magnatic setting as per site including suitable size of connector and fixing materials such as thimble, nut bolts, etc of suitable size complete all as specified and directed. Make : Indoasian/ Havells/ L&T / C&S / Legrand

Supply and fix in replacement MCCB 4 Pole, 315 Amps,AC, 415Volt , rapturing capacity 36 kA with adjustable thermal setting and adjustable magnatic setting as per site including suitable size of connector and fixing materials such as thimble, nut bolts, etc of suitable size complete all as specified and directed. Make : Indoasian/ Havells/ L&T / C&S / Legrand

Supply and fix in replacement MCCB 4 Pole, 200 Amps,AC, 415Volt , rapturing capacity 25 KA with adjustable thermal setting and adjustable magnatic setting as per site including suitable size of connector and fixing materials such as thimble, nut bolts, etc of suitable size complete all as specified and directed. Make : Indoasian/ Havells/ L&T / C&S / Legrand

Supply and fix in replacement of MCCB 4 Pole, 100 Amps,AC, 415Volt , rapturing capacity 16 KA with adjustable thermal setting and adjustable magnatic setting as per site including suitable size of connector and fixing materials such as thimble, nut bolts, etc of suitable size complete all as specified and directed. Make : Indoasian/ Havells/ L&T / C&S / Legrand

Materials and labour for earthing complete with galvanized earth plate electrode 600 x 600 x 6.0 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below normal ground level ) with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanized earth strip of size 32x6 mm length upto 7.5 mtr by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth strip protected by and including 40mm dia GI pipe (light grade), alternate layers of charcoal and salt, including 40 mm bore GI tubing length upto 7.5 mtr for watering to earth electrode, earth lead connected to test point/ distribution panel /feeder pillar etc as directed including necessary earth work, concrete pit with PCC (1:3:6) type C1, pre cast RCC(1:1:5:3) type A1 cover slab duly reinforced with 8 mm dia TMT bar 150mm c/c both way and two numbers lifting handle made of TMT bar and set in cement mortar (1:4), funnel, wire mesh, all as shown in electrical plate No 3 of SSR part-1 and testing on completion including taking out old earthing complete all as specified and directed.

Supply and fix in repair of old unserviceable Side handle off load changeover switches of capacity 400 A and 4 pole to be fixed on LT Panel/ wall with suitable size of nut bolt, washer, etc complete including suitable size of thimble/ lugs for connection of cable and testing after completion all as directed and specified. Make : Havells/ Indoasian/ C&S / L&T / Legrand.

Material and labour for heat shrinkable straight through joint outdoor termination for PVC/ XLPE insulated armoured cable of 300 to 400 sqmm 3.5 core including taking out cable and fixing joint complete all as specified and directed. Make - Raychem / 3M / Denson.

Supply and fix in replacement MCCB 63 Amps, four pole, 415 volts,16 KA as per site including suitable size of connector and fixing materials such as thimble, nut bolts, etc of suitable size complete all as specified and directed. Make - Indoasian/ Havells/ C&S/ L&T

Supply and fix surge protection device sitable for 415 Volt AC supply complete all as specified and directed. Make: Havells cat no. DHSAARBC50320/ or equivalent in C&S/ L&T

Supply and fix single phase preventer sitable for 415 Volt AC supply complete all as specified and directed. Make: Havells/ L&T/ C&S / Indoasian / HPL

S&F Earth continuity conductor galvanised iron strip 32 x 6mm main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required including taking out old wire complete all as specified and directed.

S&F GI pipe 40 mm bore 'light grade' galvanised, with all fitting and fixed complete to walls and ceilings or laid in floors including taking out old pipe complete all as specified and directed. Make:-Prakash / Utkarsh Tubes Ltd / Jindal / Zenith / Bansal / Nezone / M/S BST Infratech Ltd.

Supply, install, connect, test and commission factory made, powder coated, cubicle type dust and vermin proof, weather proof, conforming to the norms of CPRI, LT Panel Board of size 600x800x300mm(WxHxD) out door type, made out of 3 mm thick MS sheet and 40x40x6 mm (ISA- 4040) MS angle frame with hinged cubicle doors with locking arrangement, and comprising of the MCCB, AC 415 volts, 50 Hz, 4-Pole,100 Amp 16 KA - 01 No. alongwith 4 strip Aluminium Bus-Bar 200 Amp rating for Incoming and provn for incorporating 8 Nos MCB/ isolators on DIN channel complete including grouting with PCC -M10 using 20 mm graded stone aggregate 45 cm above ground level including aluminium bus bar , internal wiring with PVC insulated single core cables of copper conducter of suitable size duly numbered with tags for the circuits with hinged double door shutters (front and rear ), cubical type locking arrangement and slanted roof of size 800 x 400 mm (W x D) inculding taking down old unserviceable one complete all as specified and directed. Make of MCCB - C&S / Havells / Indoasian / L&T

Rounaq Enterprise

Kanta International

RADHA ENTERPRISE

M/S KARTICK DUTTA

BHARUKA ENTERPRISES

M/S MAHENDRALALL DUTTA

N. S. CONSTRUCTION